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Asscher|Lab Grown|IGI

1.03ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG778658134

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG778658134

Diamond specifications and retailer prices

From $237 NZD
As of November 4, 2026
Save $2,206 NZD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,442 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct lab-grown asscher diamond

This 1.03ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778658134 or 778658134. Listed at 10 retailers as of November 2, 2026, with prices from $237 to $2,442, a $2,206 spread on the same certified stone. MOH London lists it at $2,442. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778658134
Dimensions5.64 × 5.57 × 3.52 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.64 mm5.57 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778658134
Side View
Table 60.0%Crown 33.3°Girdle: Slightly ThickPavilion 37.5°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,442 NZD|Low: $237 NZD|High: $2,521 NZD|Avg: $832 NZD|+67.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$237 NZD
Retailer 10$283 NZD
Retailer 11$528 NZD
Retailer 5$553 NZD
Retailer 4$580 NZD
Retailer 7$733 NZD
Retailer 6$941 NZD
Retailer 2$993 NZD
Retailer 3$1,090 NZD
Retailer 9$1,174 NZD
MOH London$2,442 NZD

28 data points across 11 retailers

10 retailers$237 NZD to $2,442 NZD

A
Cheapest Retailer
-
$237 NZD
A
Retailer 2
-
$283 NZD
View
Final sale: no returns
Retailer 3
-
$292 NZD
View
Price last confirmed 42 days ago
A
Retailer 4
-
$553 NZD
View
Retailer 5
-
$580 NZD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$733 NZD
View
B+
Retailer 7
-
$941 NZD
View
B+
Retailer 8
-
$993 NZD
View
B
Retailer 9
-
$1,174 NZD
View
Most Expensive
B
MOH London
LG778658134 · Nov 2
$2,442 NZD
£1,081 GBP
View
9 more retailers have this diamond
Prices start from $237 NZDSave up to $2,206 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.03ct Asscher
$237 NZD